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Engineering Graphics with AutoCAD® 2017 by James D. Bethune

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Chapter 15. Modeling

15-1 Introduction

This chapter introduces solid modeling. The solid modeling commands can be accessed through the 3D Modeling workspace or the 3D Basics workspace. Figure 15-1 shows the panels and tabs associated with both workspaces. Chapter 14 introduced the 3D Modeling workspace. The current chapter builds on that introduction and presents some of the 3D Basics commands.

Solid modeling allows you to create objects as solid entities. Solid models differ from surface models in that solid models have density and are not merely joined surfaces.

Solid models are created by joining together, or unioning, basic primitive shapes—boxes, cylinders, wedges, and so on—or by defining a shape as a polyline and extruding it into a solid ...

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